dgharmon writes: "The new technique aims to exploit this orbital angular momentum, essentially encoding more data as a "twist" in the light waves.. In a paper in IEEE Transactions on Antennas and Propagation, Lund University's Ove Edfors and Anders Johansson argued that what was going on was a version of "multiple input, multiple output" — or Mimo — data transmission, a technique first outlined in the 1970s"Link to Original Source